code of ethics- a set of guidelines of appropriate behavior established by an organization for its members to follow.
Hawthorne effect- the tendency of people to change their behavior when they know they are being watched.
snowball sampling-
objectivity- the effort to elimate bias from the research
time diary method- a research method in which subjects track actions at various points in time over several days.
debriefing- a follow up review of the research for his subjects to gain insight into the conclusions drawn from the study.